.bella-checkbox{
    position: relative;
}
/** 将初始的checkbox的样式改变 */
.bella-checkbox input[type="checkbox"] {
    opacity: 0; /*将初始的checkbox隐藏起来*/
    /*visibility:hidden;*/
}
 
/** 设计新的checkbox，位置 */
.bella-checkbox label:before {
    content: '';
    width: 16px;
    height: 16px;
    display: inline-block;
    border-radius: 1px;
    border: 1px solid #bbb;
    background: #fff;
}
 
/** 点击初始的checkbox，将新的checkbox关联起来 */
.bella-checkbox input[type="checkbox"]:checked + label:after {
    display: inline-block;
    font-family: 'Glyphicons Halflings';
    content: "\e013";
    top: 15%;
    left: 1%;
    position: absolute;
    font-size: 10px;
    line-height: 1;
    width: 16px;
    height: 16px;
    color: #333;
}
 
.bella-checkbox label {
    cursor: pointer;
    text-align: center;
    position: absolute;
    left: 10px;
    bottom: 9px;
    height: 16px;
}
